Drain covers mark the entrances to underground tunnels and shafts that shift utilities around the urban environment. While most are plain and functional, many cities add a touch of local flair to brighten up the streets beneath our feet

Implausibly, this elusive nocturnal animal has somehow survived in Bangalore, a mushrooming megacity of 10 million people. But a catastrophic loss of trees in what was formerly known as India’s ‘garden city’ threatens their future

In the villages near Africa’s biggest copper mine, you can smell and taste the pollution. As a legal battle against metals giant Vedanta/KCM reaches London, villagers in Chingola, Zambia, tell of blighted lives and a looming catastrophe

The head of the South Sudan national Olympic committee, Wilson Deng Kuoirot, says he wants to arm the country's children with sports instead of guns as it becomes the 206th member of the Olympic movement